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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2015 Google, Inc
- */
- #include <common.h>
- #include <dm.h>
- #include <led.h>
- #include <asm/gpio.h>
- #include <dm/test.h>
- #include <test/test.h>
- #include <test/ut.h>
- /* Base test of the led uclass */
- static int dm_test_led_base(struct unit_test_state *uts)
- {
- struct udevice *dev;
- /* Get the top-level device */
- ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
- ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
- ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
- ut_assertok(uclass_get_device(UCLASS_LED, 3, &dev));
- ut_assertok(uclass_get_device(UCLASS_LED, 4, &dev));
- ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 5, &dev));
- return 0;
- }
- DM_TEST(dm_test_led_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test of the LED 'default-state' device tree property */
- static int dm_test_led_default_state(struct unit_test_state *uts)
- {
- struct udevice *dev;
- /* configure the default state (auto-probe) */
- led_default_state();
- /* Check that we handle the default-state property correctly. */
- ut_assertok(led_get_by_label("sandbox:default_on", &dev));
- ut_asserteq(LEDST_ON, led_get_state(dev));
- ut_assertok(led_get_by_label("sandbox:default_off", &dev));
- ut_asserteq(LEDST_OFF, led_get_state(dev));
- return 0;
- }
- DM_TEST(dm_test_led_default_state, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test of the led uclass using the led_gpio driver */
- static int dm_test_led_gpio(struct unit_test_state *uts)
- {
- const int offset = 1;
- struct udevice *dev, *gpio;
- /*
- * Check that we can manipulate an LED. LED 1 is connected to GPIO
- * bank gpio_a, offset 1.
- */
- ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
- ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
- ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
- ut_assertok(led_set_state(dev, LEDST_ON));
- ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
- ut_asserteq(LEDST_ON, led_get_state(dev));
- ut_assertok(led_set_state(dev, LEDST_OFF));
- ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
- ut_asserteq(LEDST_OFF, led_get_state(dev));
- return 0;
- }
- DM_TEST(dm_test_led_gpio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test that we can toggle LEDs */
- static int dm_test_led_toggle(struct unit_test_state *uts)
- {
- const int offset = 1;
- struct udevice *dev, *gpio;
- /*
- * Check that we can manipulate an LED. LED 1 is connected to GPIO
- * bank gpio_a, offset 1.
- */
- ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
- ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
- ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
- ut_assertok(led_set_state(dev, LEDST_TOGGLE));
- ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
- ut_asserteq(LEDST_ON, led_get_state(dev));
- ut_assertok(led_set_state(dev, LEDST_TOGGLE));
- ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
- ut_asserteq(LEDST_OFF, led_get_state(dev));
- return 0;
- }
- DM_TEST(dm_test_led_toggle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test obtaining an LED by label */
- static int dm_test_led_label(struct unit_test_state *uts)
- {
- struct udevice *dev, *cmp;
- ut_assertok(led_get_by_label("sandbox:red", &dev));
- ut_asserteq(1, device_active(dev));
- ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
- ut_asserteq_ptr(dev, cmp);
- ut_assertok(led_get_by_label("sandbox:green", &dev));
- ut_asserteq(1, device_active(dev));
- ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
- ut_asserteq_ptr(dev, cmp);
- ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
- return 0;
- }
- DM_TEST(dm_test_led_label, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test LED blinking */
- #ifdef CONFIG_LED_BLINK
- static int dm_test_led_blink(struct unit_test_state *uts)
- {
- const int offset = 1;
- struct udevice *dev, *gpio;
- /*
- * Check that we get an error when trying to blink an LED, since it is
- * not supported by the GPIO LED driver.
- */
- ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
- ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
- ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
- ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
- ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
- ut_asserteq(LEDST_OFF, led_get_state(dev));
- ut_asserteq(-ENOSYS, led_set_period(dev, 100));
- return 0;
- }
- DM_TEST(dm_test_led_blink, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- #endif
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